Features shows a locked or unlocked padlock against each module using a swatch. In Ember 2 other icons are also visible.
This appears to be is caused by

th a {
  padding: 0 2rem 0 0;
}

in _tables.scss.

For example
Issue example

Should be
Issue fixed

CommentFileSizeAuthor
ember-features-2.png3.06 KBhughworm
ember-features-1.png3.29 KBhughworm
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hughworm created an issue.